ImmunityBio Secures $80M Equity Financing
Deal News | Jul 30, 2025 | Wilson Sonsini

ImmunityBio has recently secured an $80 million equity financing deal, with Wilson Sonsini serving as their advisor. Marty Waters, a key figure at Wilson Sonsini with over 25 years of corporate and securities law experience, played a crucial role in facilitating the financial transaction. Waters is notable for his deep expertise in guiding high-growth life sciences and technology companies through major financial milestones, such as IPOs and strategic partnerships. His impressive track record as a corporate and securities partner includes counsel in more than 50 offerings, highlighting his profound impact on the industry. Recognized annually since 2011 by Chambers USA for his business acumen, Waters is revered for his ability to manage complex negotiations and provide top-tier corporate counsel. This equity financing agreement further cements his and Wilson Sonsini's influential role in the financial advisory landscape.
Sectors
- Financial Services
- Life Sciences
Geography
- United States – The advisory role and the main participant, Wilson Sonsini, have significant operations in California, USA, which is relevant to the location of the corporate activities discussed.
- California – Marty Waters is a partner based in the San Diego office, indicating a specific geographic interest tied to the state's vibrant corporate finance and high-tech sectors.
Industry
- Financial Services – The article discusses equity financing, a significant aspect of the financial services industry, highlighting the role of legal advisory in capital raising activities.
- Life Sciences – ImmunityBio operates within the life sciences industry, focusing on biotechnology and medical advancements, which are integral to the context of the equity financing discussed.
Financials
- $80 million – The amount raised by ImmunityBio in an equity financing round.
Participants
| Name | Role | Type | Description |
|---|---|---|---|
| ImmunityBio | Target | Company | A company involved in life sciences and biotechnology, seeking $80 million in equity financing. |
| Wilson Sonsini | Legal Advisor | Company | A law firm advising ImmunityBio on their $80 million equity financing. |
| Martin (Marty) Waters | Corporate and Securities Partner | Person | A leading partner at Wilson Sonsini, providing expert counsel to ImmunityBio during their equity financing. |